PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27400-30URelay,electromagnetic

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5945-01-286-2146 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-286-2146 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-286-2146. Primary manufacturer part number: MS27400-30U.
Features
  • Relay,electromagnetic — FSC 5945
  • Purpose for Which Designed: GENERAL
  • Terminal Type and Quantity: 16 WIRE HOOK ALL FUNCTIONS
  • Mounting Slot Width: 0.150 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.396 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC AND 2.0 AMPERES DC LAMP LOAD
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-286-2146, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-286-2146
Primary Part NumberMS27400-30U
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Purpose for Which DesignedGENERAL
Terminal Type and Quantity16 WIRE HOOK ALL FUNCTIONS
Mounting Slot Width0.150 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.396 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC AND 2.0 AMPERES DC LAMP LOAD
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Center to Center Distance Between Mounting Facilities Parallel to Width0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Storage TypeGENERAL PURPOSE WAREHOUSE
Nonpile-Up Main Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Test Data Document81349-MIL-R-6106 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Environmental ProtectionHERMETIC
Time Delay15.00 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Fragility FactorMODERATELY RUGGED
Cubic Measure1.779 CUBIC INCHES
Operating Voltage Rating and Type at Specified Temp28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage8.0 AMPERES AC AND 8.0 AMPERES DC INDUCTIVE LOAD
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD
Winding Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage4.0 AMPERES AC AND 4.0 AMPERES DC MOTOR LOAD
Mounting Facility Type and Quantity4 SLOTTED HOLE SINGLE MOUNTING FACILITY
Specification/standard Data96906-MS27400 GOVERNMENT STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-01-165-2926 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
MS27400-30U Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
10132684 Nimikkeistokeskus Ncb Finland (FIN)
MS27400-30X Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-6106 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-6106 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS27400-30M Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5945-01-165-2926INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5945-01-286-2146?

NSN 5945-01-286-2146 is a Relay,electromagnetic, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-286-2146?

NSN 5945-01-286-2146 has 6 cross-referenced part numbers: MS27400-30U (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 10132684 (Nimikkeistokeskus Ncb Finland), MS27400-30X (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-6106 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-6106 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5945-01-286-2146?

There is 1 known substitute for 5945-01-286-2146: 5945-01-165-2926. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27400-30U?

Key specifications for MS27400-30U: Overall Length: 1.718 INCHES MAXIMUM IN; Purpose for Which Designed: GENERAL; Terminal Type and Quantity: 16 WIRE HOOK ALL FUNCTIONS; Mounting Slot Width: 0.150 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 28 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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